• Country
• United States of America (USA)

• Manufacturer / Brand
• Sears, Roebuck & Co.; Chicago (IL)

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 56619

• • Brand: Silvertone

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 5

• Valves / Tubes
• 1C7G 1D5GP 6T7G 1F5G 6AB5

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 0.31 W (0.55 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone 6070 Order= 57K 6070 Ch= 100.189 - Sears, Roebuck & Co.; Chicago

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 15.5 x 8.25 x 7.625 inch / 394 x 210 x 194 mm

• Notes

• The Sears Silvertone 6070 is a 6 volt DC battery operated 5 tube BC band farm radio.  Riders states the BC band tuning range as 537 to 1730 kHz, the Sears catalog states the range as 540 to 1720 kHz. Has tuning eye and a synchronous plug-in type vibrator used to generate the B+ voltage.  Has Bias cell.  Also has 465 kHz wave trap.

  Catalog States: Superheterodyne with 7 tuned circuits, wavetrap included.  Rubber cushioned chassis mounting.  Streamlined rectangular gold-colored dial. Electronic tuning eye for perfect tuning.  Automatic volume control. Reduction drive tuning 12 to 1 ratio. Dynamic loud speaker. All tuning knobs are plainly marked. Ball bearing condenser, rubber mounted. The cabinet is beautifully made with front panel and ends of two-tone sliced walnut, the modern grille design accentuated by shaded overlay bars.  Complete with 5 pre-tested tubes, less battery.

  The chassis and schematic for this model is also used in model Silvertone 6170.

  Order number 57K 6070 Cash Price $ 19.95. See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Stewart-Warner Corp., Chicago, Ill (Sears Manufacturer Source Number Code 100).

• Price in first year of sale
• 19.95 $

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 and before

• Mentioned in
• Machine Age to Jet Age II

• Literature/Schematics (1)
• Rider's Perpetual, Volume 10 = 1939 and before (Riders Sears 10-63, 10-64)

• Literature/Schematics (2)
• The Sears Silvertone Catalogs 1930-1942 (page 150)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (# 177, Fall & Winter 1938/39, page 706.)

• Other Models

• Here you find 5478 models, 3209 with images and 4184 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)